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Home : xt_USA : xt_California : CA- san francisco : Alcatraz : Forecast Graphs

Human Meteorologist Forecasts: Tomorrow's Briefing Extended Discussion

Computer Model Data: 4/19 | 4/20 | 4/21 | 4/22 | 4/23 | 4/24 | 4/25 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Quick Look
More Hours

Date	Friday, April 19								Saturday, April 20
Time						5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)						9	7	7	7	6	6	6	7	8	6	5
Direction
Temperature (F)						57	54	52	50	49	48	50	55	56	54	53
Model	NAM 12km								NAM 12km
Model Run						04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z
Precipitation (in)
Pressure (mb)						1015	1014	1015	1015	1016	1017	1019	1019	1018	1018	1019
Visibility (mi)
Cloud Cover (%)						15	66	100	100	100	100	100	53	37	21	9
Additional Data	Show Additional Data
Date	Sunday, April 21								Monday, April 22
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	3	2	5	6	6	5	5	5	4	4	5	8	10	10	10
Direction
Temperature (F)	53	52	50	54	58	59	56	53	50	49	49	50	52	52	51	52
Model	NAM 12km								NAM 12km
Model Run	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z	04/20 00z
Precipitation (in)
Pressure (mb)	1019	1018	1018	1019	1017	1015	1014	1014	1012	1011	1011	1012	1011	1011	1010	1012
Visibility (mi)
Cloud Cover (%)	8	14	72	66	37	29	16	48	90	100	100	99	81	93	100	100
Additional Data	Show Additional Data
Date	Tuesday, April 23								Wednesday, April 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	10	10	9	10	11	11	7	4	4	3	4	6	10	11	8	8
Direction
Temperature (F)	53	52	53	56	58	57	53	52	51	52	53	56	59	57	52	51
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1013	1013	1014	1015	1015	1015	1015	1016	1016	1016	1017	1017	1017	1016	1017	1018
Visibility (mi)
Cloud Cover (%)										20	28	54	16	1
Additional Data	Show Additional Data
Date	Thursday, April 25								Friday, April 26
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	8	8	7	9	11	8	6	7	9	9	11	12	16	15	10	7
Direction
Temperature (F)	51	51	52	57	58	54	53	54	53	51	52	58	60	58	53	51
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1018	1018	1020	1020	1020	1019	1019	1019	1018	1017	1017	1016	1016	1015	1015	1015
Visibility (mi)
Cloud Cover (%)						75	90	47		15
Additional Data	Show Additional Data
Date	Saturday, April 27								Sunday, April 28
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	4	3	3	7	12	10	10	9	10	10	9	13	15	11	10
Direction
Temperature (F)	50	50	52	57	60	60	54	52	52	51	51	57	60	58	53	50
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1015	1015	1015	1016	1015	1014	1014	1015	1015	1015	1016	1016	1015	1014	1014	1015
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Monday, April 29
Time	2am	5am	8am	11am
Wind (mph)	7	6	7	8
Direction
Temperature (F)	48	46	48	56
Model	GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1014	1014	1014	1014
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data